cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A239013 Exponents m such that the decimal expansion of 8^m exhibits its first zero from the right later than any previous exponent.

Table of values

n a(n)
1 0
2 2
3 3
4 5
5 6
6 8
7 9
8 11
9 12
10 13
11 17
12 24
13 27
14 43
15 144
16 342
17 633
18 653
19 2642
20 6966
21 16124
22 84595
23 225177
24 4069057
25 4890280
26 6298187
27 39573326
28 99250579
29 242281125
30 1007075831
31 4705063695
32 5439666500
33 5741331846
34 6168193506
35 9297912451
36 34411164318
37 36390662612
38 265816303567

List of values

[0, 2, 3, 5, 6, 8, 9, 11, 12, 13, 17, 24, 27, 43, 144, 342, 633, 653, 2642, 6966, 16124, 84595, 225177, 4069057, 4890280, 6298187, 39573326, 99250579, 242281125, 1007075831, 4705063695, 5439666500, 5741331846, 6168193506, 9297912451, 34411164318, 36390662612, 265816303567]